code: def get_local_process_id(cls) -> int | None:
      return int(os.environ[_LOCAL_PROCESS_ID])
  
file_path: jax/jax/_src/clusters/slurm_cluster.py
imports: from __future__ import annotations
  import os
  from jax._src import clusters
label_desc: Use image node_id 5 for calling the SlurmCluster obj's underlying member method code with example usage: obj.get_local_process_id(cls) and returns: int